项目发布运行在Tomcat服务器上，文件上传没有问题，路径中的目录也都对，但是在浏览器端下载的时候就出现问题了， 访问到的下载路径中有两个文件夹合并了，代码如下：
/**
* 文件上传
* @throws IOException
*/
@RequestMapping("/file/fileUpload.action")
public ModelAndView fileUpload(HttpSession session,HttpServletResponse response,
@RequestParam("fType") String fType,
@RequestParam("uploadfile") List uploadfile, HttpServletRequest request) throws IOException {
Student student = (Student)session.getAttribute("USER_INFO");
ModelAndView mv = new ModelAndView();
mv.addObject("fType", fType);
if(fType.equals("任务书")) {
List list = projBookService.findProjBookBysIdAndAgree(student.getsId(), "待通过");
if(list.size()!=0) {
mv.addObject("FAIL", "FAIL1");
mv.setViewName("views/error");
return mv;
}
}else if(fType.equals("开题报告")) {
List list = openReportService.findOpenReportBysIdAndAgree(student.getsId(), "待通过");
if(list.size()!=0) {
mv.addObject("FAIL", "FAIL1");
mv.setViewName("views/error");
return mv;
}
}else if(fType.equals("中期检查")) {
List list = midCheckService.findMidCheckBysIdAndAgree(student.getsId(), "待通过");
if(list.size()!=0) {
mv.addObject("FAIL", "FAIL1");
mv.setViewName("views/error");
return mv;
}
}else if(fType.equals("课程设计")) {
List list = thesisService.findThesisBysIdAndAgree(student.getsId(), "待通过");
if(list.size()!=0) {
mv.addObject("FAIL", "FAIL1");
mv.setViewName("views/error");
return mv;
}
}else if(fType.equals("附件")) {
List<ThesisAttachment> list = thesisAttachmentService.findThesisAttachmentBysId(student.getsId());
if(list.size()!=0) {
mv.addObject("FAIL", "FAIL1");
mv.setViewName("views/error");
return mv;
}
}
student = studentService.findStudent(student.getsId(), student.getsPwd());
Title title = titleService.findTitleBysId(student.getsId());
String tId = title.gettId();
// String tName = title.gettName();
String t = tId;
String s = student.getsId() + student.getsName();
s = s + fType;
// 判断所上传文件是否存在
if (!uploadfile.isEmpty() && uploadfile.size() > 0) {
//循环输出上传的文件
for (MultipartFile file : uploadfile) {
String name1 = t;
// 获取上传文件的原始名称
String originalFilename = file.getOriginalFilename();
System.out.println("上传文件原始文件名是: "+ originalFilename);
int c = originalFilename.indexOf(".");
String s1 = originalFilename.substring(c);
String s2 = originalFilename.substring(0, c);
s2 = s;
originalFilename = s2 + s1;
//获取上传文件后缀名
String dirPath =
request.getServletContext().getRealPath("/upload"+name1);
System.out.println(dirPath);
File filePath = new File(dirPath);
// 如果保存文件的地址不存在，就先创建目录
if (!filePath.exists()) {
filePath.mkdirs();
}
String newFilename = dirPath + "\\" + originalFilename;
System.out.println("文件保存地址" + newFilename +"\n");
File filePath2 = new File(newFilename);
int i = 0;
String s3 = null;
while(filePath2.exists()) {
i++;
s3 = s2+ "(" + String.valueOf(i) +")";
originalFilename = s3 + s1;
System.out.println("文件已存在，重新命名为: "+originalFilename); //文件名
newFilename = dirPath + "\\" + originalFilename;
System.out.println("新文件地址是: " +newFilename);
filePath2 = new File(newFilename);
}
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式
String nowtime = df.format(new Date());
System.out.println(nowtime);// new Date()为获取当前系统时间
try {
// 使用MultipartFile接口的方法完成文件上传到指定位置
file.transferTo(new File(newFilename));
// String newFilenamePdf = s3 + ".pdf";
// System.out.println("生成的pdf文件名是: "+ newFilenamePdf);
// newFilenamePdf = dirPath + "\\" + newFilenamePdf;
// System.out.println("生成的pdf文件的保存地址是: "+newFilenamePdf);
// WordToPdf w = new WordToPdf();
// w.wordToPDF(newFilename, newFilenamePdf);
Myfile myfile = new Myfile();
myfile.setfName(originalFilename);
myfile.setfPath(newFilename);
Date date = df.parse(nowtime);
myfile.setUploadDatetime(date);
myfile.setfType(fType);
myFileService.createMyfile(myfile);
/**
* 文件下载
*/
@RequestMapping("/file/filedown.action")
public ResponseEntity<byte[]> downfile(HttpSession session, HttpServletRequest request,
HttpServletResponse response) throws Exception {
String fId = request.getParameter("fId");
ProjBook projBook = null;
Myfile myfile = new Myfile();
long l = Long.parseLong(fId);
myfile = fileService.selectById(l);
String filename = myfile.getfName();
projBook = projBookService.findProjBookByfId(l);
User user =(User) session.getAttribute("USER");
String path = null;
if(user.getRole().equals("学生")) {
System.out.println("进来了");
Student student = (Student) session.getAttribute("USER_INFO");
List<ProjBook> list = projBookService.findProjBookList(projBook, (String) student.getsId());
String tId = list.get(0).gettId();
String tName = list.get(0).gettName();
System.out.println(tId);
System.out.println(tName);
tName = tId;
path = request.getServletContext().getRealPath("/upload");
path = path + tName + "\\";
}
else if(user.getRole().equals("教师")) {
String tId = request.getParameter("tId");
String tName = request.getParameter("tName");
tName = tId;
path = request.getServletContext().getRealPath("/upload");
path = path + tName + "\\";
}
System.out.println("地址是 " + path);
// 指定要下载的文件所在路径
ResponseEntity<byte[]> result = null;
try {
// 创建该文件对象
File file = new File(path + File.separator + filename);
// 对文件名编码，防止中文文件乱码
filename = this.getFilename(request, filename);
// 设置响应头
HttpHeaders headers = new HttpHeaders();
// 通知浏览器以下载的方式打开文件
headers.setContentDispositionFormData("attachment", filename);
// 定义以流的形式下载返回文件数据
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
// 使用Sring MVC框架的ResponseEntity对象封装返回下载数据
result = new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file), headers, HttpStatus.OK);
} catch (FileNotFoundException e) {
e.printStackTrace();
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.print("<script language=\"javascript\">alert('下载失败！')</script>");
} catch (IOException e) {
e.printStackTrace();
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.print("<script language=\"javascript\">alert('下载失败！')</script>");
}
return result;
}
报错信息
上传文件原始文件名是: 任务书.docx
D:\apache-tomcat-7.0.72\webapps\Course-Design-Management-System\upload\20080044
文件保存地址D:\apache-tomcat-7.0.72\webapps\Course-Design-Management-System\upload\20080044\1608010111吴勇任务书.docx
2020-05-18 22:12:18
进来了
20080044
王老师
地址是 D:\apache-tomcat-7.0.72\webapps\Course-Design-Management-System\upload20080044\
java.io.FileNotFoundException: File 'D:\apache-tomcat-7.0.72\webapps\Course-Design-Management-System\upload20080044\1608010111吴勇任务书.docx' does not exist
